What drives Hezbollah?

Hezbollah Secretary General Sheikh Hassan Nasralla
Hezbollah Secretary General Sheikh Hassan Nasrallah attends a celebration of Martyrs Day in Beirut November 11, 2002. The occasion is usually celebrated by the movement to mark the first suicide attack launched against Israeli troops in Tyre, south Lebanon, in 1983.
Ramzi Haidar/AFP/Getty Images